ZJ Vacuum Pumping Unit

ZJ Vacuum air extractor seriesUse:This unit is used to extract vacuump of the electrical vacuum device in transformer substation, administration of power supply, power generation plant, and transformer manufactory,  ZJ operates in vacuum degree of 133Pa, and its limit vacuum degree is 5Pa. But it is unsuitable for pumping toxic gas, explosive gas, high-oxygen content gas, high-moisture content gas, and the gas which will be reaction to pump oil or cause erosive effect on ferrous metal.Feature:● Quick starting, high pumping rate, stable performance, easy-handling.● The unit takes Roots Pump as main pump and spinning vacuum pump as pre-stage pump.● A vacuometer is used to meter and control vacuum of pumped container.● The unit adopts French Schineider Electric as control element.● Full-automatic and non-presence of operation with lamps indicating the condition of operation.● Humanization design, low noise, less energy expenditure, economical to circulate cost.